LOW-TO-HIGH ALTITUDE NONEQUILIBRIUM VSL/PNS SCHEME FOR BRV/MARV/DECOY APPLICATIONS

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: N/A
Agency Tracking Number: 13118
Amount: $53,181.00
Phase: Phase I
Program: SBIR
Awards Year: 1990
Solitcitation Year: N/A
Solitcitation Topic Code: N/A
Solitcitation Number: N/A
Small Business Information
Vra Inc
Po Box 50, Blacksburg, VA, 24063
Duns: N/A
Hubzone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Dr Clark H Lewis
 (703) 953-2036
Business Contact
Phone: () -
Research Institution
N/A
Abstract
BECAUSE OF A LACK OF ADEQUATE FLIGHT OR GROUND TEST DATA FOR HYPERSONIC REENTRY CONDITIONS, THE DESIGN AND ANALYSIS OF EXISTING AND FUTURE BRVS, MARVS AND DECOYS WILL INCREASINGLY BENEFIT FROM THE DEVELOPMENT OF ACCURATE AND RELIABLE NUMERICAL TOOLS FOR PREDICTING SUCH HYPERSONIC FLOWFIELDS. TO EFFECTIVELY SUPPORT THE DESIGN AND ANALYSIS STUDIES, THE NUMERICAL SCHEMES REQUIRE A UNIQUE COMBINATION OF SPEED AND ACCURACY. THE PURPOSE OF THIS SBIR EFFORT IS TO ADDRESS THIS NEED AND DEVELOP A UNIFIED 3-D COUPLED-CHEMISTRY VSL/PNS CODE CAPABLE OF TREATING DIFFERENT HEATSHIELD MATERIALS AND APPLICABLE OVER THE ENTIRE ALTITUDE RANGE OF 0 TO 250 KFT. IN PHASE I WE WILL DEVELOP AXISYMMETRIC COUPLED-CHEMISTRY VSL AND PNS SCHEMES FOR TEFLON ABLATION INTO AIR. TWO TET CASES WILL BE DONE, AND A FINAL REPORT WILL BE PROVIDED AT THE END OF PHASE I. THE FOLLOW-ON PHASE II EFFORT WILL CONSIDER LARGE ANGLE OF ATTACK UP TO 25 DEG, FIVE HEATSHIELD MATERIALS, THERMAL NONEQUILIBRIUM, SLIP EFFECTS, ABLATED NOSETIPS, 3-D LIFTING CONFIGURATIONS AND TURBULENCE EFFECTS. THE FINAL CODE(S) WILL BE DELIVERED AT THE END OF PHASE II TOGETHER WITH TEST CASES, FINAL REPORT AND USER'S MANUAL(S).

* information listed above is at the time of submission.

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